55705000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 140720580

約数和(自身を除く): 85015580

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 857, 1000, 1250, 1300, 1625, 1714, 2500, 2600, 3250, 3428, 4285, 5000, 6500, 6856, 8125, 8570, 11141, 13000, 16250, 17140, 21425, 22282, 32500, 34280, 42850, 44564, 55705, 65000, 85700, 89128, 107125, 111410, 171400, 214250, 222820, 278525, 428500, 445640, 535625, 557050, 857000, 1071250, 1114100, 1392625, 2142500, 2228200, 2785250, 4285000, 5570500, 6963125, 11141000, 13926250, 27852500, 55705000]

約数ペア:

[(1, 55705000), (2, 27852500), (4, 13926250), (5, 11141000), (8, 6963125), (10, 5570500), (13, 4285000), (20, 2785250), (25, 2228200), (26, 2142500), (40, 1392625), (50, 1114100), (52, 1071250), (65, 857000), (100, 557050), (104, 535625), (125, 445640), (130, 428500), (200, 278525), (250, 222820), (260, 214250), (325, 171400), (500, 111410), (520, 107125), (625, 89128), (650, 85700), (857, 65000), (1000, 55705), (1250, 44564), (1300, 42850), (1625, 34280), (1714, 32500), (2500, 22282), (2600, 21425), (3250, 17140), (3428, 16250), (4285, 13000), (5000, 11141), (6500, 8570), (6856, 8125)]